1 /* { dg-do compile } */ 2 3 /* Copyright (C) 2003 Free Software Foundation, Inc. 4 Contributed by Nathan Sidwell 15 Jul 2003 <nathan@codesourcery.com> */ 5 6 /* you should not be able to pack a typedef to a struct, only the 7 underlying struct can be packed. */ 8 9 /* ok */ 10 struct u1 11 { 12 char field1; 13 short field2; 14 int field3; 15 }; 16 17 /* ok */ 18 typedef struct p1 { 19 char field1; 20 short field2; 21 int field3; 22 } __attribute__ ((packed)) p1_t1; 23 24 /* ok */ 25 typedef struct __attribute__ ((packed)) p2 { 26 char field1; 27 short field2; 28 int field3; 29 } p2_t1; 30 31 int ary1[sizeof (struct p1) == sizeof (p1_t1) ? 1 : -1]; 32 int ary2[sizeof (struct p2) == sizeof (p2_t1) ? 1 : -1]; 33 int ary3[sizeof (struct p1) == sizeof (struct p2) ? 1 : -1]; 34 35 /* not ok */ 36 typedef struct u1 __attribute__ ((packed)) u1_t1; /* { dg-warning "attribute ignored" }*/ 37 typedef struct u1 u1_t2 __attribute__ ((packed)); /* { dg-warning "attribute ignored" }*/ 38 39 typedef struct p3 { 40 char field1; 41 short field2; 42 int field3; 43 } p3_t1 __attribute__ ((packed)); /* { dg-warning "attribute ignored" }*/ 44 45